/*
 * Distributed as part of mchange-commons-java 0.2.11
 *
 * Copyright (C) 2015 Machinery For Change, Inc.
 *
 * Author: Steve Waldman <swaldman@mchange.com>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of EITHER:
 *
 *     1) The GNU Lesser General Public License (LGPL), version 2.1, as 
 *        published by the Free Software Foundation
 *
 * OR
 *
 *     2) The Eclipse Public License (EPL), version 1.0
 *
 * You may choose which license to accept if you wish to redistribute
 * or modify this work. You may offer derivatives of this work
 * under the license you have chosen, or you may provide the same
 * choice of license which you have been offered here.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received copies of both LGPL v2.1 and EPL v1.0
 * along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
 * If not, the text of these licenses are currently available at
 *
 * LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 *  EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php 
 * 
 */

package com.mchange.v2.async;

import com.mchange.v1.util.ClosableResource;

public interface AsynchronousRunner extends ClosableResource
{
    public void postRunnable(Runnable r);


    /**
     * Finish with this AsynchronousRunner, and clean-up
     * any Threads or resources it may hold.
     *
     * @param skip_remaining_tasks Should be regarded as
     *        a hint, not a guarantee. If true, pending,
     *        not-yet-performed tasks will be skipped,
     *        if possible.
     *        Currently executing tasks may or 
     *        may not be interrupted. If false, all
     *        previously scheduled tasks will be 
     *        completed prior to clean-up. The method
     *        returns immediately regardless.
     */ 
    public void close( boolean skip_remaining_tasks );

    /**
     * Clean-up resources held by this asynchronous runner
     * as soon as possible. Remaining tasks are skipped if possible,
     * and any tasks executing when close() is called may
     * or may not be interrupted. Equivalent to close( true ).
     */
    public void close();
}
